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/*
* Copyright (C) 2014 Tomasz Kramkowski <tk@the-tk.com>
*
* This program is free software. It is licensed under version 3 of the
* GNU General Public License.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [http://www.gnu.org/licenses/].
*/
#include <X11/Xlib.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
Display *d = XOpenDisplay(NULL);
if (!d) {
fprintf(stderr, "Could not open display.");
exit(1);
}
unsigned long int black = BlackPixel(d, DefaultScreen(d));
unsigned long int white = WhitePixel(d, DefaultScreen(d));
Window w = XCreateSimpleWindow(d, DefaultRootWindow(d), 0, 0, 300, 300, 0, black, white);
XSelextInput(d, w, StructureNotifyMask);
XMapWindow(d, w);
GC gc = XCreateGC(d, w, 0, NULL);
XSetForeground(d, gc, white);
while(1) {
XEvent e;
XNextEvent(d, &e);
if (e.type == MapNotify)
break;
}
XDrawLine(d, w, gc, 10, 60, 180, 20);
XFlush(d);
sleep(10);
XCloseDisplay(d);
}
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